Barnacles · Marine Life

Grey volcano barnacle (Tetraclita serrata)

Close-up of a grey volcano barnacle. Mouille Point, Cape Town, Western Cape (2020) - iNaturalist Tall, dark-grey and volcano-shaped, with only four strongly-ribbed shell plates, the edges of which are difficult to distinguish. About 20 mm. One of the dominant invertebrates in the mid-intertidal zone of moderately sheltered shores. Two Oceans: A Guide to the… Continue reading Grey volcano barnacle (Tetraclita serrata)

Anemones · Cnidarians · Marine Life · South Africa

Crevice anemone (Anthopleura michaelseni)

Details of the spherules, and the long tentacles of the crevice anemone. Fishhoek, Western Cape (2020) - iNaturalist Also called long-tentacled anemone. Column with large sticky pads, to which shells and gravel adhere. Dark stripes usually radiate from mouth to the 96 long pink-to-brownish tentacles. Spherules present. Up to 150 mm in diameter, but commonly… Continue reading Crevice anemone (Anthopleura michaelseni)